S. A.  Chaudhary, ? The flora of Saudi Arabia?, Water and Agricultural Ministry , vol. 3, pp. 31-40, 2000.

S. A.  Chaudhary, ?The flora of Saudi Arabia?, Water and Agricultural Ministry , vol. 3, p. 400, 2000.

S. A.  Chaudhary,  The flora of Saudi Arabia, vol. 3. 2000, p. 400.